hole vs buttonhole

hole and buttonhole both are nouns.

Word	Noun	Adjective	Verb	Adverb
hole	Yes	No	Yes	No
buttonhole	Yes	No	Yes	No

As nouns, buttonhole is a hyponym of hole; that is, buttonhole is a word with a more specific, narrower meaning than hole:

hole (noun)	buttonhole (noun)
an opening deliberately made in or through something	a hole through which buttons are pushed
one playing period (from tee to green) on a golf course
informal terms for the mouth
an opening into or through something
a depression hollowed out of solid matter
an unoccupied space
informal terms for a difficult situation
a fault

hole (verb)	buttonhole (verb)
make holes in	detain in conversation by or as if by holding on to the outer garments of; as for political or economic favors
hit the ball into the hole